agent

1. N-COUNT An agent is a person who looks after someone else's business affairs or does business on their behalf. 代理商[商業]

You are buying direct, rather than through an agent. 你在直接購買，而不是通過代理商購買。

2. →see also travel agent

3. N-COUNT An agent in the arts world is a person who gets work for an actor or musician, or who sells the work of a writer to publishers. (藝術界的) 經紀人

My literary agent thinks it is not unreasonable to expect $500,000 in total. 我的文學經紀人認爲預期縂共50萬美元竝非不郃情理。

4. N-COUNT An agent is a person who works for a country's secret service. 間諜

All these years he's been an agent for the East. 這些年來他一直爲東方國家做間諜。

5. N-COUNT A chemical that has a particular effect or is used for a particular purpose can be referred to as a particular kind of agent. 劑

...the bleaching agent in white flour. …白麪粉中的漂白劑。